Notes from Day 2: Pierce Sits, J.O. Waits

WALTHAM - According to Doc Rivers, Paul Pierce sat out today's session for precautionary reasons with what the coach called a "sore heel." Rivers didn't seem too concerned about it, but he noted that the Celtics weren't going to take any chances with the Captain as camp opens.

Keyon Dooling (acquired via trade) and Jeff Green (re-signed today) were both in Waltham Saturday, and Dooling spoke to the Boston media for the first time after Saturday's session. He talked about his excitement for a chance to win a "chip", and he instantly declared himself the “third-best defensive point guard” on the roster after Rajon Rondo and Avery Bradley." Meanwhile, Rivers was talking about using Bradley more at the two-guard spot now that Dooling is in the house, which is a development to keep an eye on.

Speaking of positions, Rivers said that given their evolving roster, the Celtics may look to Kevin Garnett to play the center position this season at times. He also told reporters that he's informed KG that he wants him to be a “more aggressive offensive player.” Rivers has made it clear that he will reduce the minutes Garnett plays, but he seemed to make a point of noting his desire for KG to be more focused on offense this season.

As for Green, his new one-year deal became official with a tweet from @Celtics shortly after practice wrapped up, and while he didn't talk to reporters today, Green indicated to Celtics PR that he would take inquiries on Sunday.

Finally, Jermaine O'Neal, whose name has been swirling in trade rumors, was the first player to talk to reporters on Saturday, and he was pretty forthcoming about the situation. While other players around the league who were mentioned in hot rumors decided to no-show practices, O'Neal said he owed it to the team and his teammates to participate, even if it were potentially his last practice in Boston.

O'Neal also made it clear that he's not interested in playing with a team that doesn't have a shot at winning a title, and said he'd otherwise retire or join the media. It wasn't quite clear if he was serious about covering the NBA for a living, but he was very clear that retirement was on his mind.